737 patents
Page 30 of 37
Utility
Method for laminating an interference coating comprising an organic/inorganic layer, and item thus obtained
3 Aug 20
The invention relates to a method for preparing an optical system item having a non-zero radius of curvature and coated with an interference coating.
Céline Lechat, Karin Scherer
Filed: 4 Aug 16
Utility
Electrochromic compounds and optical articles containing them
3 Aug 20
The present invention relates to a group of novel electrochromic compounds.
Claudine Biver, Fabien Berit-Debat, Samuel Archambeau, Christopher Gabbutt, Stuart Aiken, Bernard Mark Heron, Thomas David Broadbent
Filed: 3 Jan 18
Utility
Method for Evaluating an Ophthalmic Lens; Associated Evaluation System and Industrial Assembly for Manufacturing an Ophthalmic Lens
29 Jul 20
A method for evaluating an ophthalmic lens for a given wearer according to a visual performance parameter includes providing wearer's data for the given wearer.
Pierre BERCHER, Jean-Pierre CHAUVEAU, Gilles LE SAUX, Sebastien FRICKER, Sebastien MAURICE
Filed: 27 Sep 18
Utility
Method for Identifying a Device
29 Jul 20
Disclosed is a method implemented with a head-mounted device for identifying a distinct device within a given range distance of the head-mounted device, the head-mounted device includes a receiver adapted to receive wireless signals and a memory adapted to store data.
Paul GIL, Aurélie LE CAIN, Björn DROBE, Cedric GILBERT
Filed: 23 Jan 20
Utility
Method for Evaluating Cosmetic Defects of an Optical Device
29 Jul 20
Disclosed is a method for evaluating cosmetic defects of an optical device, including: a first step of acquiring a first set of cosmetic defects of the optical device; a second acquiring step during which a second set of cosmetic defects of the optical device is acquired, the second set of cosmetic defects being different from the first set of cosmetics defects and including at least one cosmetic defect corresponding to a cosmetic defect of the first set of cosmetic defects; a determining step, during which a subset of the first set of cosmetic defects of the optical device is determined based on the comparison of the cosmetic defects of the second set of cosmetic defects and the cosmetic defects of the first set of cosmetic defects; and a determining step, during which a quality factor of the optical device is determined based on the subset of cosmetic defects.
Pascal MATHEY, Dominique LEGUY
Filed: 21 Oct 18
Utility
Optical Article Comprising a Substrate with Embedded Particles for Abrasion and/or Scratch Resistance Enchancement
29 Jul 20
The invention relates to an optical article having a substrate made of an optical material comprising a polymer matrix and an improved abrasion and/or scratch resistance.
Pierre FROMENTIN, Thanisararat SALEESUNG, Tipparat LERTWATTANASERI, Haipeng ZHENG, Robert VALERI, Ronald BERZON, Mathieu FEUILLADE
Filed: 7 Aug 18
Utility
Active optical filter for spectacle lenses
27 Jul 20
An active optical filter adapted for a spectacle lens, the active optical filter configured to filter light radiations over at least one predetermined range of wavelengths, wherein the full width at half maximum of the filtering function of the optical filter is smaller than or equal to 100 nm.
Coralie Barrau, Thierry Villette, Jean-Paul Cano, Samuel Archambeau, Claudine Biver
Filed: 15 Aug 16
Utility
Method for Processing an Unfinished Optical Lens Member
22 Jul 20
A method implemented by computer for processing an unfinished optical lens member for manufacturing an optical lens, the unfinished optical lens member having an unfinished surface and an aspherical finished surface having a first reference system with a first reference point, and the optical lens to be manufactured including first and second surfaces, the first surface including a second reference system with a second reference point and included in the aspherical finished surface of the lens member, the method including: providing an unfinished optical lens member data; providing an optical function; providing a reference point position; providing an optical lens parameter; determining a reference system; determining a first surface dataset; and determining a second surface dataset.
Carlos REGO, Christophe JEANNIN
Filed: 8 Mar 17
Utility
Optical Article with a Holographic Waveguide
22 Jul 20
An optical article including a substrate, and a holographic waveguide covering at least part of the substrate and including two main surfaces, at least one of them conforming to a surface of the substrate, and at least first and second zones that are configured so that light incoming on one of the first and second zones is at least partially guided towards the other of the first and second zones.
Aude BOUCHIER, Claudine BIVER
Filed: 23 Jul 18
Utility
a System and a Method for Monitoring the Position of a Blocking Device, and a Method of Edging an Ophthalmic Lens
22 Jul 20
A system for monitoring the position of a blocking device on an ophthalmic lens (20) having at least one marking comprises: a mechanical structure adapted to cooperate with the blocking device; an image sensor (4) observing the ophthalmic lens (20); a control unit (10) connected to the image sensor (4) and configured to produce an image having a point of reference with a determined position with respect to the mechanical structure and at least part of the ophthalmic lens (20) including said marking; and a user interface (12) adapted to display a blocking device positional compensation proposal for an automatic positional compensation or for a manual positional compensation based on the comparison to a predetermined threshold of a distance between the point of reference and the marking on the image.
Laurent ROUSSEL, Jean-René AKBAL, Didier GRAND-CLEMENT, Olivier DECORCE
Filed: 1 Oct 18
Utility
Method for Determining an Optical System, and Ophthalmic Lens and Ophthalmic Filter Determined by Said Method
22 Jul 20
Disclosed is a method for determining an optical system intended to equip a subject, the method including the steps of: —determining an index of sensitivity indicating, when the subject is placed in an environment including surfaces and/or borders forming globally a geometry of this environment; and landmarks associated with specific locations within the environment, how the subject relies on the global geometry and/or on the local landmarks of the environment to navigate within the environment; and —determining the optical system based on this index of sensitivity.
Marcia BECU, Angelo ARLEO, Anne-Catherine SCHERLEN, Delphine TRANVOUEZ-BERNARDIN, Konogan BARANTON, Denis SCHEYNIKHOVICH, Guillaume TATUR
Filed: 24 Jul 18
Utility
System and Method for Demonstrating an Optical Disorder
22 Jul 20
A method for demonstrating an optical disorder includes providing two ophthalmic lenses in a first position relative to each other.
Gabriel KEITA, John GUERRA
Filed: 16 Jan 20
Utility
Method for Monitoring a Spectacle Lens
15 Jul 20
On a first aspect, the spectacle lens is selected as including a transparent support in which is coded an identifier readable by an external reading tool for retrieving the identifier.
Sebastien MAURICE, Daniel FERREIRA, Christophe HUBERT, Stephane AUFFRAY
Filed: 6 Sep 17
Utility
Opthalmic progressive addition lens for a presbyopic wearer; method for providing such a lens
13 Jul 20
An ophthalmic progressive addition lens for a presbyopic wearer which has a prescribed far vision mean refractive power a non nil prescribed addition, ADDp, the lens having a far vision reference point, a mean refractive power, PPO(α, β), a module of resulting astigmatism, ASR(α, β), a meridian line, ML(α, β), the (α, β) functions being determined in as-worn conditions of the lens by the wearer for gaze directions (α, β) joining the center of rotation of the eye, CRE, and the lens, wherein α is a lowering angle in degree and β is an azimuth angle in degree, and wherein α lens criterion, CRIT, fulfils following requirement: 0.38≤CRIT≤4.50, where: CRIT=NumeratorCRIT/DenominatorCRIT, NumeratorCRIT=(A1/A2)+(PPO(αFV, βFV)/(100·ADDp)); A1=α100%−α85%; A2=α100%−α60%; DenominatorCRIT=[(PeaksMean/ADDp)+(PPO(αFV,βFV)/(8·ADDp))]3.
Benjamin Rousseau, Melanie Heslouis, Sebastien Fricker, Nacer Lakhchaf, Guilhem Escalier, Thierry Bonnin, Isabelle Poulain, Valerie Jolivet, Juliette Wierzbicki
Filed: 10 Oct 16
Utility
Eyeglasses equipment including a joint and method for manufacturing such an eyeglasses equipment
13 Jul 20
Disclosed is eyeglasses equipment (1) including a frame (10), and at least one ophthalmic lens (20) mounted into the frame.
Vincent Anatole, Guillaume Martin, Philip Miller, Gabriel Keita, Gerard Gelly, Vincent Guilly, Bjorn Drobe
Filed: 14 May 19
Utility
Monitoring component and method for monitoring a visual capacity modification parameter of a user of at least one display device
13 Jul 20
A method for monitoring a visual capacity modification parameter of a user of at least one display device, the visual capacity modification parameter being indicative of the modification of a parameter linked to the visual capacity of the user related to the use of the at least one display device, the method includes a display use data determining step during which display use data indicative of a use of the at least one display device by the user are determined, a visual capacity modification parameter determining step during which a modification parameter of the visual capacity of the user is determined based on said display use data, and an information generating step during which an information based on said modification parameter of the visual capacity of the user is generated.
Jean Sahler, Marie Lore, Paul Gil, Guillaume Broutin, Nisha Singh, Konogan Baranton
Filed: 29 Jun 16
Utility
Method and System for Adapting the Visual And/or Visual-motor Behaviour of a Person
8 Jul 20
The application relates to a method for adapting the visual and/or visual-motor behavior of a person, including: providing an optical parameter and a person visual parameter; providing a target value; modifying a visual and/or visual motor behavior; assessing a person visual parameter; determining a suitable visual and/or visual-motor behavior; and adapting the visual and/or visual-motor behavior of the person.
Bjorn DROBE, Jocelyn FAUBERT, Guillaume GIRAUDET
Filed: 1 Oct 18
Utility
Method for Determining the Position of the Eye Rotation Center of the Eye of a Subject, and Associated Device
8 Jul 20
Disclosed is a method for determining the position of the eye rotation center of a subject's eye including: providing a geometric model of an eye, the eye being modeled with one sphere for the sclera and one ellipsoid for the cornea of the eye, the position of the eye rotation center being the distance between a center of the sclera and an apex of the cornea and being determined based on a set of personal parameters including a first geometric dimension of the eye, each personal parameter distinct from the position of the eye rotation center; determining a value of each personal parameter; and determining a first approximate value of eye position rotation center based on the geometric model using the personal parameters.
Didier GRAND-CLEMENT
Filed: 28 Jun 18
Utility
Optical Lens for Correcting Color Vision
8 Jul 20
The present invention relates to optical lens for correcting color vision for individuals with color vision deficiency comprising a substrate and an absorbing dye which has at least a minimum light transmission factor at a wavelength ranging from 515 nm to 80 nm that is lower than or equal to 40% and quickly varying transmission around 500 nm and around 595 nm.
Marie DUBAIL, Montserrat BURGOS, Charlène POUSSE, Michèle THOMAS, Xiaohong ZHANG
Filed: 18 Sep 18
Utility
a Method of Producing an Optical Device and a Corresponding System
8 Jul 20
A method of producing an optical device from a volume of a curable composition, includes the following steps: —polymerizing a first portion of the volume by irradiating an external surface of the volume with a light irradiation, thereby increasing a transmittance of the first portion for the light irradiation; —polymerizing a second portion of the volume by irradiating the second portion with the light irradiation through the external surface and the polymerized first portion, wherein the light irradiation has a light intensity varying over the external surface between a first light intensity and a second light intensity distinct from the second light intensity.
Olivier SOPPERA, Manuel THEODET
Filed: 29 Jun 17